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Message-Id: <5260b6f0308b67ca5cff002e95108504f04cf923.1736766672.git.viresh.kumar@linaro.org>
Date: Mon, 13 Jan 2025 16:53:00 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
Miguel Ojeda <ojeda@...nel.org>,
Alex Gaynor <alex.gaynor@...il.com>,
Boqun Feng <boqun.feng@...il.com>,
Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>,
Benno Lossin <benno.lossin@...ton.me>,
Andreas Hindborg <a.hindborg@...nel.org>,
Alice Ryhl <aliceryhl@...gle.com>,
Trevor Gross <tmgross@...ch.edu>
Cc: Viresh Kumar <viresh.kumar@...aro.org>,
linux-pm@...r.kernel.org,
Vincent Guittot <vincent.guittot@...aro.org>,
linux-kernel@...r.kernel.org,
rust-for-linux@...r.kernel.org
Subject: [PATCH V7 05/16] rust: Add cpumask helpers
In order to prepare for adding Rust abstractions for cpumask, this patch
adds cpumask helpers.
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
rust/bindings/bindings_helper.h | 1 +
rust/helpers/cpumask.c | 35 +++++++++++++++++++++++++++++++++
rust/helpers/helpers.c | 1 +
3 files changed, 37 insertions(+)
create mode 100644 rust/helpers/cpumask.c
diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h
index fda1e0d8f376..59b4bc49d039 100644
--- a/rust/bindings/bindings_helper.h
+++ b/rust/bindings/bindings_helper.h
@@ -11,6 +11,7 @@
#include <linux/blk_types.h>
#include <linux/blkdev.h>
#include <linux/cpu.h>
+#include <linux/cpumask.h>
#include <linux/cred.h>
#include <linux/errname.h>
#include <linux/ethtool.h>
diff --git a/rust/helpers/cpumask.c b/rust/helpers/cpumask.c
new file mode 100644
index 000000000000..0b371826a13c
--- /dev/null
+++ b/rust/helpers/cpumask.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/cpumask.h>
+
+void rust_helper_cpumask_set_cpu(unsigned int cpu, struct cpumask *dstp)
+{
+ cpumask_set_cpu(cpu, dstp);
+}
+
+void rust_helper_cpumask_clear_cpu(int cpu, struct cpumask *dstp)
+{
+ cpumask_clear_cpu(cpu, dstp);
+}
+
+void rust_helper_cpumask_setall(struct cpumask *dstp)
+{
+ cpumask_setall(dstp);
+}
+
+void rust_helper_cpumask_copy(struct cpumask *dstp, const struct cpumask *srcp)
+{
+ cpumask_copy(dstp, srcp);
+}
+
+bool rust_helper_zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags)
+{
+ return zalloc_cpumask_var(mask, flags);
+}
+
+#ifndef CONFIG_CPUMASK_OFFSTACK
+void rust_helper_free_cpumask_var(cpumask_var_t mask)
+{
+ free_cpumask_var(mask);
+}
+#endif
diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c
index 0640b7e115be..de2341cfd917 100644
--- a/rust/helpers/helpers.c
+++ b/rust/helpers/helpers.c
@@ -11,6 +11,7 @@
#include "bug.c"
#include "build_assert.c"
#include "build_bug.c"
+#include "cpumask.c"
#include "cred.c"
#include "device.c"
#include "err.c"
--
2.31.1.272.g89b43f80a514
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